12+x=-3(4-)

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Solution for 12+x=-3(4-) equation:



12+x=-3(4-)
We move all terms to the left:
12+x-(-3(4-))=0
We add all the numbers together, and all the variables
x+12-(-30)=0
We add all the numbers together, and all the variables
x+42=0
We move all terms containing x to the left, all other terms to the right
x=-42

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